LG B4 4S9P Specifications
| Configuration | 4S9P |
| Cell | LG ICR18650B4 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.7 kg |
| Length | 18.27 cm |
| Width | 2.24 cm |
| Height | 27.11 cm |
| Charge voltage | 16.80 V |
| End voltage | 11.00 V |
| Capacity | 23400 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 337 Wh |
| Volumetric energy density | 555.57 Wh/L |
| Gravimetric energy density | 195.02 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
LG B4 4S9P 1-layer in parablock 1x9
| Length | 81.66 mm |
| Width | 183.96 mm |
| Height | 67.66 mm |
LG B4 4S9P 1-layer in parablock 9x1
| Length | 728 mm |
| Width | 22.3 mm |
| Height | 67.6 mm |
LG B4 4S9P 2-layer in parablock 3x3
| Length | 122.1 mm |
| Width | 62.8 mm |
| Height | 135.5 mm |
LG B4 4S9P 2-layer in parablock 1x9
| Length | 41.3 mm |
| Width | 184 mm |
| Height | 135.5 mm |
LG B4 4S9P 2-layer in parablock 9x1
| Length | 364.46 mm |
| Width | 22.36 mm |
| Height | 135.46 mm |
LG B4 4S9P 4-layer in parablock 3x3
| Length | 61.46 mm |
| Width | 62.76 mm |
| Height | 271.06 mm |
LG B4 4S9P 4-layer in parablock 1x9
| Length | 21.1 mm |
| Width | 184 mm |
| Height | 271.1 mm |
LG B4 4S9P 4-layer in parablock 9x1
| Length | 182.7 mm |
| Width | 22.4 mm |
| Height | 271.1 mm |
Calculations
Q. How to calculate the voltage for 4S9P LG B4 pack?
A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (4) for a total of 14.40V.
Q. How to calculate the capacity and current for 4S9P LG B4 pack?
A. Take the nominal capacity of the LG B4 (2.60Ah) and max. continuous discharge current (3.75 A) and multiply them by the parallel connections (9) for a total of 23.40Ah and 33.75A.